Model:CLN-100AA Specification: Microprocessor based servo controlled temperature system The microprocessor-controlled unit allows for two modes: manual and automatic Set temperature and skin temperature are displayed by LED Alarm functions: Power failure, temperature deviation, temperature sensor failure, skin temperature failure, over temperature A second thermal cut-out function for more safety Adopts anti-explosion mirco crystal quartz infrared radiation tube Four Transparent protectors folded with 2 infusion seals RS-232 connector, ltray